ISRC DES381919008
Verified recording
DES381919008 is “Cantata "Ich hatte viel Bekümmernis", BWV 21: Sinfonia” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xec268dba62957fa57af778c2bba7fe8b51bbb51e45bdaa0f80af29411d74660a and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES381919008.
Recording identifiers
- ISRC
- DES381919008
- Title
- Cantata "Ich hatte viel Bekümmernis", BWV 21: Sinfonia
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xec268dba62957fa57af778c2bba7fe8b51bbb51e45bdaa0f80af29411d74660a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e36df2452e211cda075b9ac4ab688cb1464d111e560ff7a1d9c4d1357c934c1b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES381919008
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Cantata "Ich hatte viel Bekümmernis", BWV 21: Sinfonia · Machine-readable JSON-LD